Integrated: 8297238: RISC-V: C2: Use Matcher::vector_element_basic_type when checking for vector element type in predicate

[Gui Cao]

On Fri, 18 Nov 2022 13:12:54 GMT, Gui Cao <gcao at openjdk.org> wrote:

> Hi,
> 
> In the vector type predicate matching process of riscv, n->bottom_type()->is_vect()->element_basic_type() is used in some places to get the data type, and Matcher::vector_element_basic_type(n) is used in some places to get the data type, In fact, Matcher::vector_element_basic_type(n) is the function encapsulation form of n->bottom_type()->is_vect()->element_basic_type(), here Matcher::vector_element_basic_type(n) is used uniformly to get the data type.
> 
> Please take a look and have some reviews. Thanks a lot.
> 
> ## Testing:
> - hotspot and jdk tier1 without new failures (release with UseRVV on QEMU)
> - test/jdk/jdk/incubator/vector/* (fastdebug/release with UseRVV on QEMU)

This pull request has now been integrated.

Changeset: e4206618
Author:    Gui Cao <gcao at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/e4206618ac82222f8f61e348cfa68db0d708fe90
Stats:     18 lines in 1 file changed: 0 ins; 0 del; 18 mod

8297238: RISC-V: C2: Use Matcher::vector_element_basic_type when checking for vector element type in predicate

Reviewed-by: dzhang, fyang

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PR: https://git.openjdk.org/jdk/pull/11239